Chapter 98 - Shoulder

Question 1

1. 2 muscles that originate on the supraglenoid tubercle.

Answer 1

• Biceps brachii muscle
• Coracobrachialis muscle

Question 2

2. The biceps brachii originates on the __________ as a bilobed tendinous structure that inserts on the _________.

Answer 2

• Supraglenoid tubercle
• Medial radial tuberosity

Question 2

4. What binds the biceps brachii to the intertubercular groove?

Answer 2

• A tendinous part of the superficial pectoral muscle

Question 2

3. What muscle inserts on the medial radial tuberosity?

Answer 2

• Biceps brachii muscle

Question 2

5. What is the action of the biceps brachii muscle?

Answer 2

• Flex the elbow joint and provide stability to the shoulder

Question 3

6. What is the passive action of the biceps brachii muscle?

Answer 3

• Limits elbow joint extension when the shoulder joint is in flexion
• Limits shoulder joint flexion when the elbow joint is extended

Question 4

7. The ___________ lies between the proximal biceps tendon and the humerus

Answer 4

• Bicipital bursa

Question 5

8. The intertubercular (bicipital) bursa lies between the _________ and the __________.

Answer 5

• Proximal Biceps brachii tendon
• Humerus

Question 6

9. The infraspinatus tendon extends from the infraspinatus muscle and courses over the ________ side of the shoulder joint and the caudal part of the ___________ to its insertion on the _____________.

Answer 6

• Lateral
• Greater tubercle
• Craniolateral humerus

Question 7

10. Where is the infraspinatus bursa located?

Answer 7

• Between the infraspinatus tendon and the caudal part of the greater tubercle

Question 8

11. The __________ is located between the infraspinatus tendon and the caudal part of the greater tubercle.

Answer 8

• Infraspinatus bursa

Question 9

12. The suprascapular nerve innervates the __________ .

Answer 9

• Infraspinatus muscle

Question 10

13. The ___________ provides the major lateral support of the shoulder.

Answer 10

• Infraspinatus muscle

Question 11

14. Axillary nerve injury results in atrophy of the _______ or ____________

Answer 11

• Deltoideus muscle
• Cleidobrachialis muscle

Question 12

15. Radial nerve injury results in a characteristic ___________ appearance and the inability to ____________.

Answer 12

• Dropped elbow
• Extend the carpus